/* =========================================================
   FERMI — Design tokens
   Palette:  charcoal #1E2124 / steel #4A5157 / aluminum #D8DCDE
             offwhite #F6F5F3 / safety red #D4262C / safety yellow #F2B705
   Type:     Oswald (display, condensed/industrial)
             "Source Sans 3" (body)
             "IBM Plex Mono" (specs, eyebrows, data)
   Signature: the "rung divider" — a horizontal rule styled like a
   ladder rung, used between major sections site-wide.
   ========================================================= */

:root{
  --charcoal:#1E2124;
  --charcoal-2:#26292D;
  --steel:#4A5157;        /* UI elements / borders on light bg */
  --steel-on-dark:#B8BEC4; /* muted text on dark backgrounds */
  --text-muted:#2E3236;    /* body copy on light bg — darkened further for contrast */
  --aluminum:#D8DCDE;
  --aluminum-2:#EDEFF0;
  --offwhite:#F6F5F3;
  --red:#C41E24;
  --red-dark:#A81E23;
  --yellow:#F2B705;
  --ink:#1A1C1E;
  --max:1180px;

  --display: "Oswald", "Arial Narrow", sans-serif;
  --body: "Source Sans 3", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--body);
  font-weight:400;
  color:var(--ink);
  background:var(--offwhite);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
p{color:var(--ink);}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--display);
  text-transform:uppercase;
  letter-spacing:.02em;
  margin:0 0 .5em 0;
  color:var(--charcoal);
  font-weight:600;
}
h1{font-size:clamp(2.4rem,6vw,4.6rem);line-height:1.02;font-weight:700;}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);}
h3{font-size:1.15rem;letter-spacing:.03em;}
p{margin:0 0 1em 0;}
.container{max-width:var(--max);margin:0 auto;padding:0 24px;}
.eyebrow{
  font-family:var(--mono);
  font-size:.78rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--red);
  display:flex;
  align-items:center;
  gap:.6em;
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;background:var(--red);display:inline-block;
}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px;}

/* ---------- Rung divider (signature element) ---------- */
.rung{
  --rung-color: var(--steel);
  height:14px;
  margin:0 auto;
  max-width:var(--max);
  width:100%;
  padding:0 24px;
  display:flex;
  align-items:center;
}
.rung::before{
  content:"";
  flex:1;
  height:4px;
  background:
    repeating-linear-gradient(
      to right,
      var(--rung-color) 0 6px,
      transparent 6px 46px
    );
  border-top:1px solid rgba(0,0,0,.06);
  border-bottom:1px solid rgba(0,0,0,.06);
}
.rung.light{--rung-color:var(--aluminum);}
.rung.on-dark{--rung-color:#54606a;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--offwhite);
  border-bottom:1px solid rgba(0,0,0,.08);
}
.topbar{
  background:var(--charcoal);
  color:var(--aluminum);
  font-family:var(--mono);
  font-size:.76rem;
}
.topbar .container{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:7px;padding-bottom:7px;flex-wrap:wrap;gap:6px;
}
.topbar a{color:var(--aluminum);}
.topbar a:hover{color:var(--yellow);}
.topbar-item{display:flex;align-items:center;gap:.5em;}
.topbar-right{display:flex;gap:18px;flex-wrap:wrap;}

.navwrap{display:flex;align-items:center;justify-content:space-between;padding:14px 0;}
.logo{
  font-family:var(--display);
  font-weight:700;
  font-size:1.9rem;
  letter-spacing:.02em;
  color:var(--charcoal);
  display:flex;
  align-items:baseline;
  gap:8px;
}
.logo .mark{
  background:var(--red);
  color:#fff;
  padding:2px 9px 4px;
  transform:skew(-8deg);
  display:inline-block;
  font-size:1.1rem;
}
.logo small{
  font-family:var(--mono);
  font-weight:600;
  font-size:.6rem;
  letter-spacing:.12em;
  color:var(--text-muted);
  text-transform:uppercase;
}

nav.mainnav ul{
  list-style:none;display:flex;gap:2px;margin:0;padding:0;
}
nav.mainnav a{
  font-family:var(--display);
  font-size:.92rem;
  letter-spacing:.04em;
  text-transform:uppercase;
  padding:10px 16px;
  display:block;
  color:var(--charcoal);
  border-bottom:3px solid transparent;
  transition:.15s;
}
nav.mainnav a:hover,nav.mainnav a.active{
  color:var(--red);
  border-bottom-color:var(--red);
}
.navcta{
  background:var(--red)!important;color:#fff!important;
  border-radius:2px;
  margin-left:6px;
}
.navcta:hover{background:var(--red-dark)!important;color:#fff!important;border-bottom-color:transparent!important;}

.burger{display:none;background:none;border:none;cursor:pointer;padding:6px;}
.burger span{display:block;width:26px;height:3px;background:var(--charcoal);margin:5px 0;}

@media (max-width:880px){
  .burger{display:block;}
  nav.mainnav{
    position:fixed;inset:0 0 0 auto;width:78%;max-width:320px;
    background:var(--charcoal);
    transform:translateX(100%);
    transition:transform .25s ease;
    padding:90px 10px 20px;
    z-index:99;
  }
  nav.mainnav.open{transform:translateX(0);}
  nav.mainnav ul{flex-direction:column;gap:0;}
  nav.mainnav a{color:var(--aluminum);padding:16px 14px;border-bottom:1px solid rgba(255,255,255,.08);}
  nav.mainnav a:hover,nav.mainnav a.active{color:var(--yellow);border-bottom-color:rgba(255,255,255,.08);}
  .navcta{margin:14px;text-align:center;}
  .topbar-right{display:none;}
}

/* ---------- Buttons ---------- */
.btn{
  font-family:var(--display);
  text-transform:uppercase;
  letter-spacing:.05em;
  font-size:.92rem;
  padding:13px 26px;
  display:inline-block;
  border:2px solid var(--charcoal);
  color:var(--charcoal);
  transition:.15s;
  border-radius:2px;
}
.btn:hover{background:var(--charcoal);color:#fff;}
.btn.primary{
  background:var(--red);border-color:var(--red);color:#fff;
}
.btn.primary:hover{background:var(--red-dark);border-color:var(--red-dark);}
.btn.on-dark{border-color:var(--aluminum);color:var(--aluminum);}
.btn.on-dark:hover{background:var(--aluminum);color:var(--charcoal);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:var(--charcoal);
  color:#fff;
  overflow:hidden;
}
.hero-inner{
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  padding:64px 0 88px;
}
.hero h1{color:#fff;}
.hero h1 em{color:var(--yellow);font-style:normal;}
.hero p.lead{color:var(--aluminum);font-size:1.15rem;max-width:46ch;}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.hero-figure{
  position:relative;
  clip-path:polygon(8% 0,100% 0,100% 100%,0 92%);
  background:var(--charcoal-2);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5;}
@media (max-width:880px){
  .hero-inner{grid-template-columns:1fr;padding:40px 0 56px;}
  .hero-figure{clip-path:none;max-width:340px;margin:0 auto;}
}

/* ---------- Sections ---------- */
section{padding:64px 0;}
.section-tight{padding:40px 0;}
.bg-dark{background:var(--charcoal);color:var(--aluminum);}
.bg-dark h2,.bg-dark h3{color:#fff;}
.bg-alt{background:var(--aluminum-2);}

/* Lines overview cards */
.lines-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.line-card{
  background:#fff;border:1px solid rgba(0,0,0,.08);
  padding:26px 22px;border-radius:3px;
  border-top:4px solid var(--red);
  transition:.15s;
}
.line-card:hover{transform:translateY(-4px);box-shadow:0 14px 28px rgba(0,0,0,.09);}
.line-card .num{font-family:var(--mono);color:var(--text-muted);font-size:.8rem;font-weight:500;}
.line-card h3{margin-top:6px;}
.line-card p{font-size:.95rem;color:var(--text-muted);margin-bottom:14px;font-weight:400;}
.line-card a{font-family:var(--mono);font-size:.8rem;color:var(--red);letter-spacing:.04em;}
@media (max-width:880px){.lines-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.lines-grid{grid-template-columns:1fr;}}

/* Featured / product grid */
.product-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.product-card{
  background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:3px;overflow:hidden;
  display:flex;flex-direction:column;
}
.product-card .thumb{
  aspect-ratio:1/1;background:#fff;
  display:flex;align-items:center;justify-content:center;
  border-bottom:1px solid rgba(0,0,0,.06);
  padding:14px;
}
.product-card .thumb img{width:100%;height:100%;object-fit:contain;}
.product-card .info{padding:14px 16px 18px;}
.product-card .info .code{font-family:var(--mono);font-size:.72rem;color:var(--red);letter-spacing:.06em;}
.product-card .info h4{
  font-family:var(--display);font-size:1.02rem;text-transform:uppercase;
  margin:.2em 0 .35em;color:var(--charcoal);
}
.product-card .info p{font-size:.88rem;color:var(--text-muted);margin:0;font-weight:400;}
@media (max-width:960px){.product-grid{grid-template-columns:repeat(3,1fr);}}
@media (max-width:700px){.product-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:420px){.product-grid{grid-template-columns:1fr 1fr;gap:14px;}}

/* Brands strip */
.brands-strip{display:flex;justify-content:center;align-items:center;gap:56px;flex-wrap:wrap;padding:20px 0;}
.brand-badge{font-family:var(--display);font-weight:700;font-size:1.6rem;color:var(--charcoal);letter-spacing:.03em;}
.brand-badge.makita{font-family:var(--body);font-style:italic;font-weight:700;}
.brand-badge.weg{letter-spacing:.14em;}

/* Timeline (Empresa) — numbered because order is real chronology */
.timeline{list-style:none;margin:0;padding:0;max-width:760px;}
.timeline li{
  display:grid;grid-template-columns:96px 1fr;gap:22px;
  padding:26px 0;border-top:1px solid rgba(0,0,0,.1);
}
.timeline li:first-child{border-top:none;}
.timeline .year{
  font-family:var(--display);font-size:1.6rem;color:var(--red);font-weight:700;
}
.timeline h4{margin:0 0 6px;font-family:var(--display);text-transform:uppercase;font-size:1.05rem;}
.timeline p{margin:0;color:var(--text-muted);font-weight:400;}

/* Product section headers on produtos.html */
.subnav{
  position:sticky;top:96px;z-index:80;
  background:rgba(246,245,243,.96);backdrop-filter:blur(2px);
  border-bottom:1px solid rgba(0,0,0,.08);
  padding:12px 0;
}
.subnav ul{list-style:none;display:flex;gap:8px;margin:0;padding:0;flex-wrap:wrap;}
.subnav a{
  font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;
  padding:8px 14px;border:1px solid var(--steel);border-radius:20px;color:var(--text-muted);font-weight:600;
}
.subnav a:hover, .subnav a.active{background:var(--charcoal);border-color:var(--charcoal);color:#fff;}

.line-block{padding:56px 0;}
.line-block .line-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.line-block .line-head p{color:var(--text-muted);max-width:60ch;margin:6px 0 0;font-weight:400;}

/* Contact page */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.contact-card{background:#fff;border:1px solid rgba(0,0,0,.08);padding:28px;border-radius:3px;}
.contact-card h3{margin-bottom:16px;}
.contact-row{display:flex;gap:14px;padding:12px 0;border-top:1px solid rgba(0,0,0,.07);}
.contact-row:first-of-type{border-top:none;}
.contact-row .k{font-family:var(--mono);font-weight:600;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--red);width:110px;flex-shrink:0;padding-top:2px;}
.contact-row .v{color:var(--ink);font-weight:400;}
.contact-row .v a{border-bottom:1px solid transparent;color:var(--ink);}
.contact-row .v a:hover{border-color:currentColor;color:var(--red);}
.mapwrap{border:1px solid rgba(0,0,0,.08);border-radius:3px;overflow:hidden;min-height:340px;}
.mapwrap iframe{width:100%;height:100%;min-height:340px;border:0;display:block;}
@media (max-width:880px){.contact-grid{grid-template-columns:1fr;}}

/* Contact form */
.contact-form{max-width:640px;}
.form-row{margin-bottom:18px;}
.form-row label{
  display:block;font-family:var(--mono);font-size:.76rem;text-transform:uppercase;
  letter-spacing:.06em;color:var(--charcoal);font-weight:600;margin-bottom:6px;
}
.form-row input,.form-row textarea{
  width:100%;padding:12px 14px;border:1px solid var(--steel);border-radius:2px;
  font-family:var(--body);font-size:1rem;color:var(--ink);background:#fff;
}
.form-row input:focus,.form-row textarea:focus{
  outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(196,30,36,.12);
}
.form-row textarea{min-height:150px;resize:vertical;font-family:var(--body);line-height:1.5;}
.hp-field{position:absolute;left:-9999px;top:-9999px;}
.form-msg{
  margin-top:18px;padding:14px 16px;border-radius:3px;font-family:var(--body);font-size:.94rem;
}
.form-msg.success{background:#E4F3E6;color:#1E5B27;border:1px solid #BFE2C4;}
.form-msg.error{background:#FBE6E6;color:#7A1E1E;border:1px solid #F3C6C6;}

/* Footer */
footer.site-footer{background:var(--charcoal);color:var(--aluminum);padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px;}
.footer-grid h4{color:#fff;font-family:var(--display);text-transform:uppercase;font-size:.95rem;margin-bottom:14px;}
.footer-grid p{font-size:.88rem;color:#aab0b5;}
.footer-grid ul{list-style:none;margin:0;padding:0;}
.footer-grid li{margin-bottom:9px;font-size:.9rem;}
.footer-grid a:hover{color:var(--yellow);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;font-size:.8rem;color:#8b9096;
  font-family:var(--mono);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
}
@media (max-width:880px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}

/* Page hero (interior pages) */
.page-hero{background:var(--charcoal);color:#fff;padding:48px 0 40px;}
.page-hero .eyebrow{color:var(--yellow);}
.page-hero .eyebrow::before{background:var(--yellow);}
.page-hero h1{color:#fff;font-size:clamp(2rem,5vw,3.2rem);}
.page-hero p{color:var(--aluminum);max-width:60ch;}

/* Utility */
.mt-0{margin-top:0;}
.text-center{text-align:center;}
.small{font-size:.85rem;color:var(--text-muted);font-weight:500;}